All type gold biotechnology company: in vitro diagnostic reagents used in three water purification system through validation using induction in the use of water faucet, all three of water purification system application in Beijing type gold biological specializes in molecular biology, cell biology products research and development, production and sales, provides the high quality of PCR, protein and nucleic acid purification, cloning vector, gene expression and point mutations related biological experiment.. All type of gold is a mainly engaged in molecular biology, cell biology, protein biological reagents and in vitro diagnostic reagents, development, production and sales of biological science and technology enterprises, belong to the biological products industry, the main products include biological reagents and in vitro diagnostic reagents.